CN114009252B

CN114009252B - Agricultural bundling machine

Info

Publication number: CN114009252B
Application number: CN202111352011.2A
Authority: CN
Inventors: 胡文勇
Original assignee: Yongkang Guyuehu Industry And Trade Co ltd
Current assignee: Yongkang Guyuehu Industry And Trade Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2024-03-12
Anticipated expiration: 2041-11-16
Also published as: CN114009252A

Abstract

The invention belongs to the technical field of agricultural binding machines, in particular to an agricultural binding machine which comprises a main body, a rocker arm and a handle, wherein a first reset spring applies an acting force to the handle or the rocker arm, and a feed inlet is formed between the rocker arm and the main body; pressing down the handle, and rotating the rocker arm until the feed inlet is closed; comprises a feeding structure: a ribbon disc is fixed on the main body, and ribbon is wound in the ribbon disc; comprises a locking and cutting mechanism: a supporting shaft is arranged in the main body, a cutter sleeve is rotatably arranged on the supporting shaft, a ratchet wheel is arranged on the cutter sleeve, a pawl is arranged on the handle, and the pawl is used for hooking the ratchet wheel to rotate when the handle is pressed; the cutter sleeve is provided with pressing blocks and cutters, the number of the pressing blocks and the number of the cutters are the same and are arranged in a staggered manner, and the number of teeth of the ratchet wheel is twice the number of the pressing blocks; comprises a winding structure: the support shaft is internally provided with a twist rod, the end part of the twist rod is provided with a positioning frame, and the twist rod is rotationally stretched out by pulling a binding belt clamped on the positioning frame. The invention provides an agricultural binding machine with stable structure.

Description

Agricultural bundling machine

Technical Field

The invention belongs to the technical field of agricultural binding machines, and particularly relates to an agricultural binding machine.

Background

Agricultural binding machines are used for binding operations in cultivation of crops. For example, in crop cultivation such as cucumber, grape, tomato, pear, and plum, an agricultural binding machine is used to bind the vine or stem of a plant to a pillar, net, or the like. The principle of a stapler is generally adopted in a binding machine on the market, a binding needle is utilized to fix a binding belt, and the binding belt adopts pvc or pe plastic belts, such as Chinese patent number CN202010847701.4, the binding machine and the belts, and the patent literature indicates that: firstly, pressing down a handle, clamping the ribbon on the main body, and then pushing branches of crops into a feed inlet; then, the handle is depressed again, cutting the band and securing the cut band by staples. Waiting for the next strapping operation. The product can achieve binding of crops, but the product has the following problems: 1. the used plastic ribbon is low in strength, and the ribbon can be scattered due to strength problems when the ribbon is in windy weather, so that the ribbon needs to be rebindd; 2. the plastic ribbon used can age, and the plastic ribbon can fall off under the condition of no external force due to aging generally in about 8 months. The binding machine is suitable for occasions with low strength requirements, such as operation in a greenhouse. Most farmers still rely on the hand to tie up through iron wires or steel wires, and work efficiency is low, and intensity of labour is big.

Disclosure of Invention

The invention aims to provide an agricultural binding machine with stable structure.

The purpose of the invention is realized in the following way:

an agricultural binding machine comprises a main body and a handle, wherein a rocker arm is hinged on the main body, and the handle is movably arranged on the rocker arm and the main body; the first reset spring gives an acting force to the handle or the rocker arm, and a feed inlet is formed between the rocker arm and the main body; pressing down the handle and overcoming the acting force of the first reset spring, and rotating the rocker arm until the feed inlet is closed;

comprises a feeding structure: the main body is fixedly provided with a ribbon disc, ribbon is wound in the ribbon disc, and the ribbon is arranged on the rocker arm in a penetrating way and penetrates out from the end part of the rocker arm;

comprises a locking and cutting mechanism: the main body is internally provided with a supporting shaft, the supporting shaft is rotationally provided with a cutter sleeve, the cutter sleeve is provided with a ratchet wheel, the handle is provided with a pawl, the handle is pressed, the pawl is used for hooking the ratchet wheel to rotate, the cutter sleeve is provided with a plurality of pressing blocks and cutters, the pressing blocks and the cutters are identical in number and are arranged in a staggered manner, and the number of teeth of the ratchet wheel is twice the number of the pressing blocks; the handle is pressed down for the first time, the rocker arm conveys the end part of the ribbon to the end part of the main body, the cutter sleeve rotates, and the pressing block compresses the ribbon on the end part of the main body; pressing down the handle again, and rotating the cutter sleeve and cutting off the binding tape through the cutter;

comprises a winding structure: the novel twist machine is characterized in that a twist rod is arranged in the support shaft, a positioning frame is arranged at the end part of the twist rod, a cut ribbon can be clamped on the positioning frame, a second reset spring is arranged in the support shaft and used for giving force for retracting the twist rod into the support shaft, a ribbon clamping on the positioning frame is pulled/a ribbon machine is pulled backwards, and the twist rod is rotationally stretched out and spirally binds the rear part of the ribbon.

The inner side of the handle is movably provided with the pawl, and the pawl is hung on the tooth of any ratchet wheel.

The handle is provided with a groove, the pawl is hinged in the groove, and the pawl swings only in the groove.

The supporting shaft is sleeved with a backstop, the upper end of the backstop is bent to form an abutting part, a third reset spring is arranged on the supporting shaft and abuts against the backstop, and the abutting part abuts against the side wall of the ratchet wheel so as to limit the ratchet wheel to rotate unidirectionally; when the ratchet wheel rotates under the drive of the pawl, the side wall of the ratchet wheel pushes away the abutting part.

The end of the supporting shaft forms a retaining wall, a V-shaped opening is formed in the retaining wall, the cutter abuts against the retaining wall, and the cutter rotates to cut off the binding tape located in the V-shaped opening.

The positioning frame is provided with a clamping groove for clamping the ribbon, the upper end of the clamping groove is provided with a guide opening, and when the twist rod is retracted into the support shaft, the guide opening faces the ribbon; and moreover, a plug matched with the locating frame is arranged at the end part of the rocker arm, the rocker arm is rotated, and the plug pushes the binding belt into the clamping groove.

The ribbon is the paper wrapping wire, the main part lower extreme is provided with the opening, and open-ended side is provided with the oblique sword, and unnecessary paper wrapping is pushed to the opening part by briquetting and/or cutter after the ribbon is decided to get rid of through the oblique sword.

The main body is provided with a positioning block at the position of the pressing block, the middle part of the positioning block is provided with a channel for the pressing block to pass through, and the binding belt can be pressed between the positioning block and the pressing block.

The handle is hinged on the rocker arm, the main body is provided with a locating pin/roller, and the handle is provided with an arc-shaped limiting groove matched with the locating pin/roller.

The ribbon disc is fixed at the rear part of the main body, a plurality of rollers are arranged inside the rocker arm, and the ribbon is arranged on the inner side of the rocker arm by means of the rollers.

The process of binding crops is as follows: firstly, enabling plants to be bound to enter an object inlet area through a feed inlet; then, the handle is pressed down for the first time, the rocker arm conveys the end part of the ribbon to the end part of the main body, the cutter sleeve rotates, the pressing block presses the ribbon to the end part of the main body, and the feed inlet of the release handle is opened; then, the binding machine is pulled backwards, and crops are enabled to drive the binding belt to leave the feeding hole; then, the handle is pressed down again, the rocker arm brings the ribbon into the cutting edge, the cutter sleeve rotates and cuts off the ribbon through the cutter, and the feeding hole of the handle is released to be opened; finally, the binding machine is pulled backwards, the twist rod is rotated to extend out, and the rear part of the binding belt is screwed.

Compared with the prior art, the invention has the following outstanding and beneficial technical effects:

1. the crop fixing device is used for fixing crops through the binding belt, and the whole crop fixing device adopts a mechanical structure, so that the whole stability is ensured, and the binding function is realized by mutually matching the structures. Independent configuration is carried out through the feeding structure, the locking cutting mechanism and the winding structure which work sequentially, so that the complex transmission structure is divided into a plurality of modules, and the production and the assembly of the modules of manufacturers are facilitated.

2. The handle of the invention is provided with a double-acting structure, and the positioning pin/roller of the main body is matched with the arc-shaped limiting groove on the handle, so that the handle is pressed down in the process: the rocker arm is firstly jointed with the main body, and then the pawl drives the cutter sleeve to rotate. The steps are sequentially operated, so that the product is more reasonable and stable.

3. The inner side of the handle is movably provided with the pawl, and the pawl is hung on the tooth of any ratchet wheel. Through hiding the pawl, let ratchet and pawl transmission part hide, effectively guarantee core transmission part's safety, guarantee the stability of structure. And the handle is provided with a groove, the pawl is hinged in the groove, the pawl only swings in the groove, and the pawl is limited through the groove, so that the pawl is guaranteed to hook the ratchet wheel to rotate at a designated position.

4. The supporting shaft is clamped with the backstop, the upper end of the backstop is bent to form the abutting part, and the abutting part abuts against the side wall of the ratchet wheel under the condition of no external force; when the ratchet wheel rotates under the drive of the pawl, the side wall of the ratchet wheel pushes away the abutting part. The purpose of setting the backstop is that: a. the cutter sleeve is prevented from sliding on the supporting shaft; b. each time the handle is completely pressed down, the ratchet wheel is shifted to rotate by a tooth distance and unidirectional rotation of the ratchet wheel is realized; c. the abutment is preferably a resilient metal wall giving the cutter sleeve a flexible abutment, thereby ensuring the stability of the connection.

5. The binding belt is made of paper-covered metal wires. When the paper-covered steel wire is used for bundling crops, the damage to the crops can be reduced, and the bundling firmness is ensured. And moreover, the lower end of the main body is provided with an opening, the side edge of the opening is provided with an oblique blade, redundant wrapping paper is pushed to the opening by the pressing block and/or the cutter after the binding tape is cut, and the redundant wrapping paper is removed through the oblique blade, so that the redundant wrapping paper is prevented from being clamped into a gap between the main body and the cutter sleeve through the structure, and the movement continuity and stability of the locking and cutting mechanism are ensured.

6. The locating rack is provided with a clamping groove for clamping the binding belt. The aim of setting the clamping groove is that: the binding belt is clamped, and the twist rod rotates and drives the metal wire to rotate and knot, and then the iron wire can be easily pulled out, so that the knotting action is smoothly completed.

7. The band plate is fixed at the rear part of the main body, the rocker arm is internally provided with a plurality of rollers, and the band is arranged on the inner side of the rocker arm by means of the rollers. The part of the binding belt disc extending out of the binding belt disc is protected through the structure, and the effect of the binding belt process on complex environments of crops is avoided.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1;

FIG. 3 is a second schematic diagram of the structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B of FIG. 3;

FIG. 5 is a schematic view of the internal structure of the present invention;

FIG. 6 is an enlarged schematic view of the structure at C of FIG. 5;

FIG. 7 is a schematic view of the structure of the handle depressed state of the present invention;

FIG. 8 is an enlarged schematic view of the structure at D of FIG. 7;

FIG. 9 is a schematic view showing an internal structure of the handle depressed state of the present invention;

FIG. 10 is an enlarged schematic view of the structure of FIG. 9 at E;

FIG. 11 is a schematic structural view of the present invention in a body strap configuration;

FIG. 12 is a schematic view of the internal structure of the body strap of the present invention;

fig. 13 is a schematic structural view of the pulled-out state of the twist-beam of the present invention;

fig. 14 is a schematic view showing an internal structure of the pulled-out state of the twist-beam of the present invention;

FIG. 15 is one of the schematic diagrams of the explosive construction of the present invention;

FIG. 16 is an enlarged schematic view of the structure of FIG. 15 at F;

FIG. 17 is a second schematic diagram of an exploded construction of the present invention;

FIG. 18 is an enlarged schematic view of the structure at G of FIG. 17;

FIG. 19 is a schematic view of a cross-section of a band of the present invention;

FIG. 20 is a schematic view of a portion of the structure of the present invention;

FIG. 21 is a schematic view of a partially exploded construction of the present invention;

FIG. 22 is an enlarged schematic view of the structure at H of FIG. 21;

fig. 23 is a schematic view of the structure of the crop after being bundled.

1-body; 10-positioning blocks; 101-channel; 11-opening; 111-oblique blades; 12-grooves; 13-pawl; 15-a third return spring; 16-locating pins; 17-an infeed region; 18-a first return spring; 19-a second return spring; 2-a support shaft; 20-retaining wall; 201-V-shaped opening; 202-the twist stem extends out of the hole; 21-a positioning groove;

3-a cutter sleeve; 31-briquetting; 32-a cutter; 33-ratchet wheel; 39-a backstop; 391-an abutment; 4-rocker arms; 41-plug; 42-a tie outlet seat; 43-a roller; 5-a handle; 51-arc limiting grooves; 6-winding structure; 61-positioning frames; 611-a clamping groove; 612—a pilot port; 62-a cotton stalk; 7-bundling the disc; 71-a tie; 711-wire; 712-wrapping paper; 8-crops.

Detailed Description

The invention is further described in the following by way of specific embodiments with reference to the accompanying drawings, which are shown in fig. 1-23:

an agricultural binding machine comprises a main body 1 and a handle 5, wherein a rocker arm 4 is hinged on the main body 1, and the rocker arm 4 and the main body 1 are movably provided with the handle 5; the first return spring 18 applies a force to the handle 5 or the rocker arm 4 and forms a feed port between the rocker arm 4 and the main body 1; the handle 5 is pressed down and overcomes the acting force of the first return spring 18, the rocker arm 4 rotates until the feeding hole is closed, and preferably, the first return spring 18 is arranged between the main body 1 and the handle 5, and the feeding hole is kept in an open state under the action of the first return spring 18;

comprises a feeding structure: the main body 1 is fixedly provided with a binding disc 7, a binding tape 71 is wound in the binding tape disc 7, and the binding tape 71 is arranged on the rocker arm 4 in a penetrating way and penetrates out from the end part of the rocker arm 4;

comprises a locking and cutting mechanism: the main body 1 is internally provided with a supporting shaft 2, the supporting shaft 2 is rotatably provided with a cutter sleeve 3, the cutter sleeve 3 is provided with a ratchet wheel 33, the handle 5 is provided with a pawl 13, the handle 5 is pressed, the pawl 13 hooks the ratchet wheel 33 to rotate, the supporting shaft 2 is provided with a plurality of pressing blocks 31 and cutters 32, the pressing blocks 31 and the cutters 32 are the same in number and are arranged in a staggered manner, and the number of teeth of the ratchet wheel 33 is twice as large as the number of the pressing blocks 31; the handle 5 is pressed down for the first time, the rocker arm 4 conveys the end part of the ribbon 71 to the end part of the main body 1, the cutter sleeve 3 rotates, and the pressing block 31 presses the ribbon 71 to the end part of the main body 1; the handle 5 is pressed down again, the cutter sleeve 3 rotates and cuts off the ribbon 71 by the cutter 32; as shown in fig. 20 and 21, the number of teeth of the ratchet 33 is six, and the number of the pressing block 31 and the cutter 32 is three; the ratchet 33 rotates by two teeth, and the pressing block 31 and the cutter 32 are staggered to compress the ribbon 71 and cut the ribbon 71, i.e. the ratchet 33 rotates by two teeth by one working cycle. Preferably, the teeth of the ratchet wheel, the pressing block 31 and the cutter 32 are uniformly distributed on the periphery of the cutter sleeve 3.

Comprising a winding structure 6: the twist rod 62 is arranged in the support shaft 2, the positioning frame 61 is arranged at the end part of the twist rod 62, the cut ribbon can be clamped on the positioning frame 61, the second return spring 19 is arranged in the support shaft 2, the second return spring 19 gives force for retracting the twist rod 62 into the support shaft 2, the ribbon 71 clamped on the positioning frame 61 is pulled/the ribbon machine is pulled backwards, and the twist rod 62 is rotated to extend out and rotationally bind the rear part of the ribbon 71. Crop is fixed through the ribbon 71, and the whole adopts mechanical structure, lets overall stability be ensured, mutually supports between each structure and realizes the function of binding. The feeding structure, the locking and cutting mechanism and the winding structure 6 which work sequentially are independently configured, so that the complex transmission structure is divided into a plurality of modules, and the production and the assembly of the modules of a manufacturer are facilitated. Preferably, the end of the support shaft 2 is provided with a twist rod extending hole 202 which is matched with the twist rod, and the twist rod rotates in the process of penetrating out of the twist rod extending hole 202.

The inner side of the handle 5 is movably provided with the pawl 13, and the pawl 13 is hung on the teeth of any ratchet wheel 33. By hiding the pawl 13, the ratchet wheel 33 and the pawl 13 transmission part are hidden, so that the safety of the core transmission part is effectively ensured, and the stability of the structure is ensured. And the handle 5 is provided with a groove 12, the pawl 13 is hinged in the groove 12, the pawl 13 only swings in the groove 12, the pawl 13 is limited through the groove 12, and the pawl 13 is guaranteed to rotate at a designated position by hooking the ratchet 33.

The supporting shaft 2 is sleeved with a backstop block 39, the upper end of the backstop block 39 is bent to form an abutting part 391, the supporting shaft 2 is provided with a third return spring 15, the third return spring 15 abuts against the backstop block 39, and the abutting part 391 abuts against the side wall of the ratchet wheel 33 so as to limit the ratchet wheel 33 to rotate unidirectionally; when the ratchet 33 rotates by the drive of the pawl 13, the side wall of the ratchet 33 pushes the abutting portion 391 open. The purpose of the backstop 39 is to: a. the cutter sleeve 3 is prevented from sliding on the support shaft 2; b. each time the handle is fully depressed, the ratchet 33 is shifted by one tooth distance and unidirectional rotation of the ratchet is realized; c. the abutment 391 is preferably a resilient metal wall giving the cutter sleeve 3 a flexible abutment, ensuring the stability of the connection.

The end of the support shaft 2 forms a retaining wall 20, a V-shaped opening 201 is arranged on the retaining wall 20, the cutter 32 abuts against the retaining wall 20, and the cutter 32 rotates to cut off the binding tape 71 positioned in the V-shaped opening 201. The cut-off portion is formed by the V-shaped opening 201 and the cutter 32, and the band 71 is effectively retained in the V-shaped opening 201 and waits for the cutter 32 to cut off.

The positioning frame 61 is provided with a clamping groove 611 for clamping the ribbon 71, the upper end of the clamping groove 611 is provided with a guiding opening 612, and when the twist rod 62 is retracted into the support shaft 2, the guiding opening 612 faces the ribbon 71; the end of the rocker arm 4 is provided with a plug 41 engaged with the positioning frame 61, the rocker arm 4 is rotated, and the plug 41 pushes the band 71 into the clamping groove 611. The locking and cutting mechanism is connected with the winding structure 6 through the plug 41, and the plug 41 clamps the cut-off ribbon in the clamping groove 611 through the guide opening 612. Preferably, as shown in fig. 20, the positioning frame 61 is annular, two plugs 41 are provided at the end of the rocker arm 4, and the cut tie is pushed into the clamping groove 611 by the two plugs 41. The purpose of the card slot 611 is to: the binding tape is clamped, and the twist rod 62 rotates and drives the metal wire to rotate and knot, so that the iron wire can be easily pulled out, and the knotting action is smoothly completed. As shown in fig. 23, the portion of the tie that is tied to the crop 8 is complete, wrapping paper is wrapped around the outside of the wire, but the trailing tie position removes the wrapping paper during rotation.

The binding belt 71 is a paper-covered wire, and as shown in fig. 19, the wire 711 is covered with paper 712, and the wire is preferably an iron wire or a steel wire. When the paper-covered metal wire is used for bundling crops, the damage to the crops can be reduced, and the bundling firmness is ensured. And, the lower extreme of main part 1 is provided with opening 11, and the side of opening 11 is provided with oblique sword 111, and unnecessary wrapping paper is pushed to opening 11 department by briquetting 31 and/or cutter 32 after ribbon 71 cuts to get rid of through oblique sword 111, avoid unnecessary wrapping paper card to go into in the gap between main part 1 and the cutter cover 3 through this structure, guarantee locking cutting mechanism's motion continuity and stability.

The main body 1 is provided with a positioning block 10 at the position of the pressing block 31, a channel 101 for the pressing block 31 to pass through is arranged in the middle of the positioning block 10, and the binding belt 71 can be pressed between the positioning block 10 and the pressing block 31. A clearance is formed through the passage of the positioning block 10. In the process of rotating the cutter sleeve 3, the pressing block 31 and the positioning block 10 can jointly clamp the binding belt 71, or the pressing block 31 and the positioning block 10 can be staggered.

The handle 5 is hinged on the rocker arm 4, the main body 1 is provided with a positioning pin 16 or a roller, and the handle 5 is provided with an arc-shaped limiting groove 51 matched with the positioning pin 16 or the roller. The locating pin 16 or the roller may be provided that the handle is not obstructed from movement. The handle 5 is limited by the locating pin 16 and the arc-shaped limiting groove 51, so that the stability of the handle 5 in the rotating process is ensured. The handle 5 of the invention is designed with a double-acting structure, and the positioning pin 16/roller of the main body 1 is matched with the arc-shaped limit groove 51 on the handle 5, so that the handle 5 is pressed down in the process: the rocker arm 4 is firstly engaged with the main body 1, and then the pawl 13 drives the cutter sleeve 3 to rotate. The steps are sequentially operated, so that the product is more reasonable and stable.

The band plate 7 is fixed at the rear part of the main body 1, a plurality of rollers 43 are arranged inside the rocker arm 4, and the band 71 is arranged on the inner side of the rocker arm 4 by means of the rollers 43. The portion of the ribbon 71 extending out of the ribbon reel is protected by the structure, and the ribbon process is prevented from being influenced under the complex environment of crops.

Preferably, the end of the rocker arm 4 is provided with a tie-outlet seat 42, through which tie-outlet seat 42 the end of the tie is conveyed to the position of the body 1 and the press block 31. The tie outlet mount 42 is preferably a metal channel.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. An agricultural bundling machine, characterized in that: comprises a main body (1) and a handle (5), wherein a rocker arm (4) is hinged on the main body (1), and the handle (5) is movably arranged on the rocker arm (4) and the main body (1); the first return spring gives an acting force to the handle (5) or the rocker arm (4) and forms a feed inlet between the rocker arm (4) and the main body (1); the handle (5) is pressed down and overcomes the acting force of the first return spring (18), and the rocker arm (4) rotates until the feed inlet is closed;

comprises a feeding structure: a binding belt disc (7) is fixed on the main body (1), a binding belt (71) is wound in the binding belt disc (7), and the binding belt (71) is arranged on the rocker arm (4) in a penetrating way and penetrates out from the end part of the rocker arm (4);

comprises a locking and cutting mechanism: a supporting shaft (2) is arranged in the main body (1), a cutter sleeve (3) is rotationally arranged on the supporting shaft (2), a ratchet wheel (33) is arranged on the cutter sleeve (3), a pawl (13) is arranged on the handle (5), the handle (5) is pressed, the pawl (13) hooks the ratchet wheel (33) to rotate, a plurality of pressing blocks (31) and cutters (32) are arranged on the cutter sleeve (3), the pressing blocks (31) and the cutters (32) are identical in number and are arranged in a staggered mode, and the number of teeth of the ratchet wheel (33) is twice the number of the pressing blocks (31); the handle (5) is pressed down for the first time, the rocker arm (4) conveys the end part of the ribbon to the end part of the main body (1), the cutter sleeve (3) rotates, and the press block (31) presses the ribbon (71) to the end part of the main body (1); pressing down the handle (5) again, rotating the cutter sleeve (3) and cutting off the binding belt (71) through the cutter (32);

comprises a winding structure: a twist rod (62) is arranged in the support shaft (2), a positioning frame (61) is arranged at the end part of the twist rod (62), a cut ribbon can be clamped on the positioning frame (61), a second reset spring (19) is arranged in the support shaft (2), the second reset spring (19) gives the force for retracting the twist rod (62) into the support shaft (2), a ribbon clamping on the positioning frame is pulled to pull the ribbon machine backwards, and the twist rod (62) rotationally stretches out and rotationally binds the rear part of the ribbon;

the end of the supporting shaft (2) forms a retaining wall (20), a V-shaped opening (201) is formed in the retaining wall (20), the cutter (32) abuts against the retaining wall (20), and the cutter (32) rotates to cut off the binding tape (71) located in the V-shaped opening (201).

2. The agricultural strapping machine of claim 1, wherein: the inner side of the handle (5) is movably provided with the pawl (13), and the pawl (13) is hung on the teeth of any ratchet wheel (33).

3. The agricultural strapping machine of claim 2, wherein: the handle (5) is provided with a groove (12), the pawl (13) is hinged in the groove (12), and the pawl (13) swings only in the groove (12).

4. The agricultural strapping machine of claim 2, wherein: the supporting shaft (2) is sleeved with a backstop block (39), the upper end of the backstop block (39) is bent to form an abutting part (391), the supporting shaft (2) is provided with a third return spring (15), the third return spring (15) abuts against the backstop block (39), and the abutting part (391) abuts against the side wall of the ratchet wheel (33) to limit the ratchet wheel (33) to rotate unidirectionally; when the ratchet wheel (33) is rotated by the pawl (13), the side wall of the ratchet wheel (33) pushes the abutting portion (391).

5. The agricultural strapping machine of claim 1 or 2 or 3 or 4, wherein: the positioning frame (61) is provided with a clamping groove (611) for clamping the ribbon (71), the upper end of the clamping groove (611) is provided with a guide opening (612), and when the twist rod (62) is retracted into the support shaft (2), the guide opening (612) faces the ribbon (71); and, the tip of rocking arm (4) is provided with and cooperates plug (41) with locating rack (61), rotates rocking arm (4), and plug (41) pushes ribbon (71) into draw-in groove (611).

6. The agricultural strapping machine of claim 1 or 2 or 3 or 4, wherein: the ribbon is a paper wrapping metal wire, an opening (11) is formed in the lower end of the main body (1), an inclined blade (111) is arranged on the side edge of the opening (11), and redundant paper wrapping after the ribbon (71) is cut is pushed to the opening (11) by the pressing block (31) and/or the cutter (32) and is discharged through the inclined blade (111).

7. The agricultural strapping machine of claim 6, wherein: the main body (1) is provided with a positioning block (10) at the position of the pressing block (31), the middle part of the positioning block (10) is provided with a channel (101) for the pressing block (31) to pass through, and the binding belt (71) can be pressed between the positioning block (10) and the pressing block (31).

8. Agricultural strapping machine according to claim 1 or 2 or 3 or 4 or 7, characterized in that: the handle (5) is hinged on the rocker arm (4), the main body (1) is provided with a locating pin (16)/roller, and the handle (5) is provided with an arc-shaped limiting groove (51) matched with the locating pin (16)/roller.

9. Agricultural strapping machine according to claim 1 or 2 or 3 or 4 or 7, characterized in that: the ribbon disc (7) is fixed at the rear part of the main body (1), a plurality of rollers (43) are arranged in the rocker arm (4), and the ribbon (71) is arranged on the inner side of the rocker arm (4) by means of the rollers (43).